Excessive dosage or long term administration (over a period of 24 hours or longer) have been known to result in tetanic uterine contractions, uterine rupture, postpartum hemorrhage, and water intoxication, sometimes fatal.

Increased uterine motility has led to the following complications in the fetus/neonate:

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My husband and I learned all about Oxytocin during a class we took towards the end of my pregnancy. After hearing about the surge of Oxytocin that happens between mother and baby upon first meeting and being skin to skin, my husband was a little jealous. lol

We also learned that oxytocin will help move labor along and will ease discomfort, etc. So after my water broke and some light contractions began, we hung out in bed looking through our wedding album and reading old letters and cards. Not only did this provide us with our own oxytocin going into labor, but it was a beautiful perspective to have about our relationship- how it began and how it grew up to this point and how we were about to become a little family. I recommend doing something special like that beforehand. ; )

[...] It turns out that sex along with an emotional/loving connection provides a much stronger and longer response of oxytocin than does sex alone. More touching and kissing during lovemaking also makes the effect stronger. **This is why kissing/touching during the early stages of labor is encouraged so much. [...]

[...] It turns out that sex along with an emotional/loving connection provides a much stronger and longer response of oxytocin than does sex alone. More touching and kissing during lovemaking also makes the effect stronger. **This is why kissing/touching during the early stages of labor is encouraged so much. [...]